https://bugs.winehq.org/show_bug.cgi?id=11317
--- Comment #20 from Vladimir Potapov vpmail27@gmail.com --- Comment on attachment 56284 --> https://bugs.winehq.org/attachment.cgi?id=56284 CPUs tab in Instruments.app
An alternative way to disable cores on OSX is through Xcode:
1. Launch Xcode 2. Open "Xcode | Open Developer Tool | Instruments" 3. Go to Preferences, choose CPUs tab, set "Active processors cores:" to 1